/Engine/Plugins/Experimental/GeometryScripting/Source/GeometryScriptingCore/Public/GeometryScript/MeshRepairFunctions.h
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)([BlueprintType](Programming/UnrealArchitecture/Reference/Structs/Specifiers/BlueprintType)) struct FGeometryScriptFillHolesOptions
bool
bDeleteIsolatedTriangles
Delete floating, disconnected triangles, as they produce a "hole" that cannot be filled
EGeometryScript...
FillMethod